Forum Discussion
Luke Murray
Mar 17, 2022Learn Expert
You can't have overlapping IP ranges out of the box, without using a third party Network Virtual Appliances uses an Extended network using a bidirectional VXLAN tunnel, otherwise Azure doesn't know how to route the traffic.
It is recommended to have a completely different address space and re-IP workloads as appropriate.
https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-about-vpn-gateway-settings
https://docs.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/azure-extended-network
https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-udr-overview
Take a look at the Azure Virtual Network Capacity Planner - may be of interest as you plan: https://vnetplanner.chunliu.me
It is recommended to have a completely different address space and re-IP workloads as appropriate.
https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-about-vpn-gateway-settings
https://docs.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/azure-extended-network
https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-udr-overview
Take a look at the Azure Virtual Network Capacity Planner - may be of interest as you plan: https://vnetplanner.chunliu.me